(Q41993779)
Statements
A COMPARISON IN THE UNITED STATES OF AMERICA OF TWO TUBERCULINS, PPD-S AND RT 23 (English)
COMSTOCK GW
EDWARDS LB
PHILIP RN
WINN WA
G. W. COMSTOCK
L. B. EDWARDS
R. N. PHILIP
1 reference
1 reference
1 reference
1 reference